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Issue 20, 2016
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Low concentration thermoresponsive hydrogels from readily accessible triblock copolymers

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Abstract

Dilute (<1 wt%) aqueous solutions of ultrahigh molecular weight triblock copolymers (with Mn up to 500 000 g mol−1) comprising a long central hydrophilic block of polydimethylacrylamide and shorter terminal blocks of poly(N-isopropylacrylamide) form gels on heating. The incorporation of a charged monomer, 2-acrylamido-2-methylpropanesulfonic acid, into the central block leads to significant improvements in mechanical properties and formation of a crosslinked network at concentrations as low as 0.05 wt%. All monomers and transfer agents used in the study are available on an industrial scale.

Graphical abstract: Low concentration thermoresponsive hydrogels from readily accessible triblock copolymers

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Supplementary files

Article information


Submitted
21 Mar 2016
Accepted
19 Apr 2016
First published
20 Apr 2016

Polym. Chem., 2016,7, 3375-3377
Article type
Communication

Low concentration thermoresponsive hydrogels from readily accessible triblock copolymers

L. Despax, J. Fitremann, M. Destarac and S. Harrisson, Polym. Chem., 2016, 7, 3375
DOI: 10.1039/C6PY00499G

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